What is CVE-2020-1776?

CVE-2020-1776 is a vulnerability in ((OTRS)) Community Edition and OTRS that allows an agent user with an invalid or renamed account to keep their session active, but they cannot access ticket data.

Which versions of ((OTRS)) Community Edition are affected by CVE-2020-1776?

CVE-2020-1776 affects ((OTRS)) Community Edition versions 6.0.28 and prior.

Which versions of OTRS are affected by CVE-2020-1776?

CVE-2020-1776 affects OTRS versions 7.0.18 and prior, as well as version 8.0.4.

What is the severity of CVE-2020-1776?

CVE-2020-1776 has a severity rating of 4.3, which is considered medium.

How can I fix CVE-2020-1776?

To fix CVE-2020-1776, it is recommended to update to ((OTRS)) Community Edition version 6.0.29 or later, or OTRS version 7.0.19 or later, or version 8.0.5 or later.

Vulnerability/
CVE-2020-1776

medium

4.3

CWE

613

20/7/2020

17/9/2024

CVE-2020-1776: Invalidating or changing user does not invalidate session

First published: Mon Jul 20 2020(Updated: )

When an agent user is renamed or set to invalid the session belonging to the user is keept active. The session can not be used to access ticket data in the case the agent is invalid. This issue affects ((OTRS)) Community Edition: 6.0.28 and prior versions. OTRS: 7.0.18 and prior versions, 8.0.4. and prior versions.

Credit: security@otrs.com security@otrs.com

Affected Software	Affected Version	How to fix
Otrs Otrs	<6.0.29
Otrs Otrs	>=7.0.0<7.0.19
Otrs Otrs	>=8.0.1<8.0.5

Remedy

https://otrs.com/release-notes/otrs-security-advisory-2020-13/

Remedy

Upgrade to OTRS 8.0.5, OTRS 7.0.19, ((OTRS)) Community Edition 6.0.29 Patch for ((OTRS)) Community Edition 6: https://github.com/OTRS/otrs/commit/4514f95f747be368c3dc9a9452ff9aa66506648d

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Frequently Asked Questions

What is CVE-2020-1776?
CVE-2020-1776 is a vulnerability in ((OTRS)) Community Edition and OTRS that allows an agent user with an invalid or renamed account to keep their session active, but they cannot access ticket data.
Which versions of ((OTRS)) Community Edition are affected by CVE-2020-1776?
CVE-2020-1776 affects ((OTRS)) Community Edition versions 6.0.28 and prior.
Which versions of OTRS are affected by CVE-2020-1776?
CVE-2020-1776 affects OTRS versions 7.0.18 and prior, as well as version 8.0.4.
What is the severity of CVE-2020-1776?
CVE-2020-1776 has a severity rating of 4.3, which is considered medium.
How can I fix CVE-2020-1776?
To fix CVE-2020-1776, it is recommended to update to ((OTRS)) Community Edition version 6.0.29 or later, or OTRS version 7.0.19 or later, or version 8.0.5 or later.

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